If two polygons are similar, they are also congruent. sometimes always or never true

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

The sum of two numbers is 86, and their difference is 20. find the two numbers

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?